Risk prediction models for intensive care unit readmission: A systematic review of methodology and applicability

Objective We conducted a systematic review of primary models to predict intensive care unit (ICU) readmission. Review methods We searched MEDLINE, PubMed, Scopus, and Embase for studies on the development of ICU readmission prediction models that are published until January 2017. Data were extracted on the source of data, participants, outcomes, candidate predictors, sample size, missing data, methods for model development, and measures of model...